DJI Action 5 Provs Pentax K-3 Mark IIIvs Sigma fp
DJI
DJI Action 5 Pro (2024)
From £349
Best for Adventure, outdoor sports & action
View DJI Action 5 Pro
Pentax
Pentax K-3 Mark III (2021)
From £1699
Best for DSLR enthusiasts & outdoor photographers
View Pentax K-3 Mark III
Sigma
Sigma fp (2019)
From £1499
Best for Creative filmmakers & experimental photographers
View Sigma fp
Which should you buy?
Adventure, Outdoor Sports & Action — DJI Action 5 Pro (2024): DJI's best action camera — 4K/120p from a large 1/1.3" sensor, 20m waterproofing without a housing, and the best EIS stabilisation in any action camera.
Dslr Enthusiasts & Outdoor Photographers — Pentax K-3 Mark III (2021): The finest APS-C DSLR ever made — class-leading weather sealing, optical viewfinder, 5-axis IBIS, and extraordinary build for photographers committed to DSLR.
Creative Filmmakers & Experimental Photographers — Sigma fp (2019): The smallest full-frame camera in the world — Cinema DNG RAW and L-mount flexibility in a pocket-sized body that rewards creative shooters.
Who should buy what
DJI Action 5 Pro (2024)
- You shoot adventure sports, cycling, skiing, surfing, or travel
- You want the best stabilisation and video quality in a wearable action cam
- You need long battery life for extended outdoor use without recharging
Pentax K-3 Mark III (2021)
- You're a committed DSLR photographer with significant investment in Pentax glass
- You shoot in extreme weather conditions and place build quality and reliability above everything
- You prefer optical viewfinder performance and want the best modern APS-C DSLR available
Sigma fp (2019)
- You're a filmmaker building a cinema rig where the smallest full-frame body is essential
- You want L-mount compatibility to pair with Sigma Art or Leica SL lenses
- You prioritise video and cinema colour over stills ergonomics and functionality
Quick take: The dji action 5 pro has the highest resolution at 50mp; the dji action 5 pro is the most affordable; only the dji action 5 pro, pentax k-3 mark iii are weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | DJI Action 5 Pro (2024) | Pentax K-3 Mark III (2021) | Sigma fp (2019) |
|---|---|---|---|
| Price | £349 | £1,699 | £1,499 |
| Sensor | 1/1.3" CMOS | 25.7MP APS-C BSI CMOS (AA-filterless) | 24.6MP full-frame Bayer CMOS |
| Resolution | 50.0MP | 25.7MP | 24.6MP |
| Video | 4K/120p, 4K/60p HDR, 1080p/240p | 4K/30p, 1080p/60p | 12-bit Cinema DNG RAW, 4K/24p, 1080p/120p |
| Autofocus | Subject tracking AF | SAFOX 13 phase-detect, 101-point (25 cross-type) | Contrast-detect AF with face/eye detection |
| Stabilisation | RockSteady 3.0 EIS + HorizonSteady | 5.5-stop 5-axis IBIS (Shake Reduction III) | None (lens-based only) |
| Burst Rate | 20fps | 12fps | 18fps electronic |
| Battery Life | 160 mins video | 800 shots (CIPA) | 200 shots (CIPA) |
| Weight | 145g | 820g body only | 422g body only |
| Dimensions | 70.5 × 44.2 × 32.8mm | 134.5 × 103.5 × 73.5mm | 112.6 × 69.9 × 45.3mm |
| Weather Sealed | Yes | Yes | No |
| Viewfinder | None | Optical pentaprism, 100% coverage, 1.05× magnification | None |
| Screen | 2.5" front + 1.4" rear touchscreen | 3.2" tilting touchscreen | 3.15" fixed touchscreen |
| Mount | Fixed 12mm-equiv f/2.8 ultra-wide lens | Pentax KF-mount | Leica L-mount |
| Memory Cards | Single microSD | Dual SD UHS-II | Single SD UHS-II + CFexpress Type B (via adapter) |
| Connectivity | USB-C, Wi-Fi, Bluetooth | USB-C, Wi-Fi, Bluetooth | USB-C 3.1, Wi-Fi, Bluetooth |
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